219 citations · 2.3k across the 55 of their papers we have counts for
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hep-th2014★ 60 cited
Effective field theory approach to modified gravity including Horndeski theory and Hořava-Lifshitz gravity
Ryotaro Kase, Shinji Tsujikawa
We review the effective field theory of modified gravity in which the Lagrangian involves three dimensional geometric quantities appearing in the 3+1 decomposition of space-time. O…
hep-th2014★ 55 cited
Cosmology in generalized Horndeski theories with second-order equations of motion
Ryotaro Kase, Shinji Tsujikawa
We study the cosmology of an extended version of Horndeski theories with second-order equations of motion on the flat Friedmann-Lemaître-Robertson-Walker (FLRW) background. In addi…
hep-th2014★ 31 cited
Effective field theory of modified gravity on the spherically symmetric background: leading order dynamics and the odd-type perturbations
Ryotaro Kase, László Árpád Gergely, Shinji Tsujikawa
We consider perturbations of a static and spherically symmetric background endowed with a metric tensor and a scalar field in the framework of the effective field theory of modifie…